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  1. #1
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    Why is FG400 doing this to me?

    I'm currently working on a BMW M3 e46 (2004) I found the paint to be on the really hard side, so I went with fg400. For some odd reason fg400 is sticking to the paint and drying up right away. It has done this to me in the past but I figured it was cold weather. I'm using the Meg's micro cutting pads, I feel like it's happening more on this car then the 370z I did. What is weird is I have this problem with my 21mm rupes but not my 3inch griots. I'm using 3 pea size dots on the pad and working in a 1x1 sections on speed 4.5-5. Why is FG400 doing this to me?-imageuploadedbytapatalk1426603389-835280-jpg

  2. #2
    Super Member lawrenceSA's Avatar
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    Re: Why is FG400 doing this to me?

    I have used fg400 on an e46 before and never had any problems. In fact I am an avid user of Menzerna polishes and have never had this happen.

    Sub'd to for info....


    Sent from my GT-I8190 using Tapatalk

  3. #3
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    Re: Why is FG400 doing this to me?

    Are you using any pad conditioner? If not, maybe a spritz beforehand would help.

  4. #4
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    Re: Why is FG400 doing this to me?

    Sub...

  5. #5
    Super Member tuscarora dave's Avatar
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    Re: Why is FG400 doing this to me?

    If this don't work, try that. Change your approach until you figure something out. Perhaps you could try lightly priming the entire face of the pad instead of the 3 pea sized drops. Maybe working in smaller sections etc. Have you tried any other variations in product amounts or techniques yet? Trial and error is one of the constants in detailing.

  6. #6
    Super Member lawrenceSA's Avatar
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    Re: Why is FG400 doing this to me?

    Quote Originally Posted by trekkeruss View Post
    Are you using any pad conditioner? If not, maybe a spritz beforehand would help.
    For what its worth I have often in the past taken a new pad, added my working product (no priming, no pad conditioner etc) and have not seen any difference in the way the polish interacts with the paint

  7. #7
    Super Member lawrenceSA's Avatar
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    Re: Why is FG400 doing this to me?

    How many passes are you making? Maybe you are trying to remove the polish before it has had a chance to break down? Target 6 to 8 passesand drop your machine speed to 3.

  8. #8
    Super Member swanicyouth's Avatar
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    Why is FG400 doing this to me?

    I think it may be a possibility your using too much downward pressure and the pad is getting too hot. I have exactly zero experience with MF pads, but to me this looks stuff is getting too hot.

    IMHO, it seems your using a hodge podge of products. Rupes machine, Megs MF pads, & Menz polishes. While normally this likely wouldn't be an issue, the Rupes is a different animal. The machine operates on low downward pressure and a large stroke, where these pads were designed to operate with more downward pressure and a smaller stroke.

    I'd just solve the issue by using Rupes polishes and their MF pads. That way - you have a proven system and success is assured.

  9. #9
    McKee's 37 Product Support
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    Re: Why is FG400 doing this to me?

    Make sure you're cleaning the pad frequently, and do not apply too much product to the pad.

    You might also want to slow your speed down just a tad.

  10. #10
    Super Member HUMP DIESEL's Avatar
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    Re: Why is FG400 doing this to me?

    The diminishing abrasives in the FG400 clog the MF pads really fast. You have to clean them often. Also, the heat can be a problem, and not ambient heat, but the pad heat. Try to ease up on the pressure and let the pad and the compound do the work.

    HUMP
    Carolina Auto Image
    Upstate South Carolina - Premium Exclusive Automotive Reconditioning
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